1100006138 has 64 divisors (see below), whose sum is σ = 2133734400. Its totient is φ = 412886400.

The previous prime is 1100006137. The next prime is 1100006143. The reversal of 1100006138 is 8316000011.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1100006137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 523013 + ... + 525111.

It is an arithmetic number, because the mean of its divisors is an integer number (33339600).

Almost surely, 2^1100006138 is an apocalyptic number.

1100006138 is a deficient number, since it is larger than the sum of its proper divisors (1033728262).

1100006138 is a wasteful number, since it uses less digits than its factorization.

1100006138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1100006138 is about 33166.3404372566. The cubic root of 1100006138 is about 1032.2820354938.

Adding to 1100006138 its reverse (8316000011), we get a palindrome (9416006149).

The spelling of 1100006138 in words is "one billion, one hundred million, six thousand, one hundred thirty-eight".